slide board

例句：

1. 1. The teacher used a slide board to explain the math problem.
   老师使用一个滑动板来解释数学问题。
2. 2.The students were using slide boards to present their research findings.
   学生们正在使用滑动板来展示他们的研究成果。
3. 3. The presentation included a slide board with interesting facts about the history of the city.
   演示文稿包括一个带有关于该市历史有趣事实的滑动板。